This image provided by Gabriel Lio shows an artistic reconstruction of what the prehistoric salamander-like creature may have looked like. Researchers discovered a giant salamander-like predator that lived about 280 million years ago, using fossils recovered from Namibia. (Gabriel Lio via AP)
This July 2, 2018 image provided by Claudia Marsicano shows an image of the nearly complete skeleton from fossils recovered in Namibia of a giant salamander-like creature at the Paleontology lab in Cape Town, South Africa. (Claudia Marsicano via AP)
This 2014 photo provided by Roger M. H. Smith shows Claudia Marsicano, professor at the University of Buenos Aires, examining the new basal tetrapod fossil at the discovery site of a salamander-like creature near the Ugab River in Namibia. Scientists have identified a giant salamanderlike predator with sharp fangs that likely ruled waters 280 million years ago. (Roger M. H. Smith via AP)